White dead-nettle Toxic?

Updated 2026-03-06| 4 min read| 1,708 found this helpful
White dead-nettle
1

No animal poisoning cases linked to Lamium album L. have been documented in peer-reviewed scientific literature to date.

2

The plant is explicitly classified as unsuitable for use as feed for all domestic pets and livestock species.

3

Closely related Lamium and Mentha species range from non-toxic to mildly toxic, so accurate plant identification is critical to avoid accidental exposure to higher-risk variants.

FAQ

Is White dead-nettle toxic to Humans?

No confirmed poisoning symptoms reported in humans to date. If accidental ingestion occurs, monitor for unusual gastrointestinal distress or allergic reactions and contact a medical professional if concerns arise. (Non-toxic)

Is White dead-nettle toxic to Cats?

No confirmed toxic symptoms reported in cats to date. Monitor for unusual lethargy, vomiting or appetite loss post-ingestion, and contact a vet if symptoms persist. (Non-toxic)

Is White dead-nettle toxic to Dogs?

No confirmed toxic symptoms reported in dogs to date. Monitor for unusual lethargy, vomiting or appetite loss post-ingestion, and contact a vet if symptoms persist. (Non-toxic)

Is White dead-nettle toxic to Horses?

No confirmed toxic symptoms reported in horses to date. Monitor for unusual lethargy, digestive upset or reduced feed intake post-ingestion, and contact an equine vet if symptoms persist. (Non-toxic)

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Toxicity Details

Humans
Non-toxic

No confirmed poisoning symptoms reported in humans to date. If accidental ingestion occurs, monitor for unusual gastrointestinal distress or allergic reactions and contact a medical professional if concerns arise.

Cats
Non-toxic

No confirmed toxic symptoms reported in cats to date. Monitor for unusual lethargy, vomiting or appetite loss post-ingestion, and contact a vet if symptoms persist.

Dogs
Non-toxic

No confirmed toxic symptoms reported in dogs to date. Monitor for unusual lethargy, vomiting or appetite loss post-ingestion, and contact a vet if symptoms persist.

Horses
Non-toxic

No confirmed toxic symptoms reported in horses to date. Monitor for unusual lethargy, digestive upset or reduced feed intake post-ingestion, and contact an equine vet if symptoms persist.

Toxicity Snapshot

Toxic PartsNo specific toxic plant parts have been identified; no animal poisoning cases are documented, though the full plant is explicitly not approved for use as feed for any species.
Exposure RouteIngestion is the only confirmed potential exposure route for both humans and animals.
Toxic CompoundsNo specific toxic compounds have been isolated and formally documented for this species to date.

First Aid & Prevention

First 30 Minutes

  • • Remove any remaining plant material from the affected individual or animal's mouth immediately.
  • • Rinse the mouth thoroughly with clean, cool water to eliminate residual plant matter.
  • • Document the approximate amount ingested and time of exposure for medical or veterinary reference.

Contact Vet Immediately

  • • If the animal exhibits persistent unusual lethargy, gastrointestinal distress, or allergic reaction after ingestion.
  • • If a large quantity of the plant was consumed by a small pet, young animal, or animal with pre-existing health conditions.
  • • If you are unsure of the plant's exact identity and suspect it may be a more toxic related Lamium or Lamiaceae family species.

Prevention

  • • Do not harvest or intentionally feed this plant to any domestic pets, livestock, or working animals.
  • • Learn to distinguish this species from mildly toxic related Lamium variants to avoid accidental feeding of higher-risk plants.
  • • Keep unconfirmed Lamiaceae family plants out of reach of young children and unsupervised pets.

Treatment & Prognosis

  • • Provide supportive care tailored to presenting symptoms, as no specific antidote exists for this species.
  • • Administer gastrointestinal supportive treatment (e.g. antiemetics, electrolyte hydration) if digestive upset occurs.
  • • Monitor for rare allergic reactions and treat with antihistamines as directed by a qualified medical or veterinary professional.
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Professional Toxicology

Scientific NameLamium album L.
AliasesWhite nettle
Toxicity Grade
HumansNon-toxic
CatsNon-toxic
DogsNon-toxic
HorsesNon-toxic
Target Organs
No specific target organs have been linked to exposure to this species.
Mechanism of Action

• No specific toxic mechanism has been identified for this species, as no confirmed poisoning cases have been recorded to date.

Other Species Risk (CliniTox)

Information from CliniTox veterinary text.

Ruminants (cattle, sheep, goats): No poisoning cases reported, but feeding this plant as forage is not recommended due to lack of long-term safety data.
Small companion mammals (rabbits, guinea pigs, hamsters): No confirmed toxicity reported, but intentional consumption is not advised due to limited safety testing.
Domestic birds: No documented adverse effects reported, but intentional feeding as part of regular diet is not recommended.
Confusion Risk

The following plants look similar and may be confused:

Other Lamium species Lamium spp.
Visually highly similar to Lamium album L.; other Lamium species range from non-toxic to mildly toxic, so accurate species identification is required to avoid exposure to low-toxicity variants.
Mentha (mint) species Mentha spp.
Member of the same Lamiaceae family, with very similar leaf morphology; all Mentha species are confirmed non-toxic, but misidentification may lead to accidental feeding of unsuitable Lamium variants.
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Data Sources

This information is for reference only and does not constitute medical advice. If ingestion or poisoning is suspected, seek medical or veterinary attention immediately.

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